Tag: "vessel" at biology news
Vitamin C May Reduce Angina, Heart Attack Risks
...reases levels ofglutathione can also improve blood vessel
function, even though theunderlying artheroscleros... of the benefits it had tooffer in improving blood vessel
function. "With the issue of vasomotor dysfunction, we're basically finding thatmoderate supplements...
Researchers Discover Way To Grow New Kidneys In Rats
...th promoting factors and ones that stimulate blood vessel
formation. Within four weeks, the rats had produced new blood vessels thatconnected the kidneys to their own blood supply, creating chimeric kidneyscontaining parts from two different animals. To test whether the organsfunction, Hammerman and...
Evidence From Old Tumors Foretells Which New Breast Cancer Patients Will RequireAdditional Treatment
...Furthermulti-variate analysis showed that nm23 and vessel
density were "the mostimportant tumor characterist...4 years versus only 70 percent ofthose with a high vessel
density. "Our study provides the best clues to date about how to treat patients withnode-negative b...
Novel Liver Steroid Slows Brain Tumor Growth
... implanted in theflanks of rats by disabling blood vessel
growth, or angiogenesis, say theauthors of the stu...iseases characterized by and dependenton new blood vessel
growth," says Henry Brem, M.D., director of neurosurgicaloncology at Hopkins and senior author of th...
Scientists ID A Protein With Punch As Infection-Inflammation Fighter
...ents and removes the waste from all tissues,when a vessel
is blocked, the tissues beyond the blockage are en...he adherence ofneutrophils themselves to the blood vessel
walls and their subsequent migrationinto tissues, which would be the typical inflammatory sequence. ...
Scientists Excited About Miniature Cooking Pots
...ned reaction vesselwhere the size and shape of the vessel
are determined by thevirus'." One application is targeted drug delivery where the pots takethe medicine to the correct spot in the body. The team is tryingto develop such a system for breast cancer treatment. They justreceived a $375,000 grant from ...
New Hope On The Horizon For Patients With End-Stage Cardiovascular Disease
...d insmall amounts by the body and stimulates blood vessel
growth. In this procedure,it is injected directly into the coronary artery to further stimulate bloodvessel growth. The initial injection is followed by a series of threeintravenous infusions -- one every three days. These subsequent infusions aredon...
Babbitt To Help Explore Depths Of Lake Tahoe
...Calif. Press will beallowed to board the research vessel
between 7 a.m. and 9 a.m. Due tolimited space, only one or two media representatives will be on the researchvessel with the Secretary. However, an additional press boat will be providedfor accredited media. After the vessels return at approximate...
Transplanted Skeletal Muscle Mimics Heart Muscle; Helps Failing Heart Pump, Duke
...techniques. "If we could combine new blood vessel
formation with new muscleformation, we could for the first time, regenerate living heart muscle wherethere was only dead tissue," Taylor said....
Alaska Natives Provide New Evidence Linking Common Infection To Heart Disease
...herosclerosis in which only thelining of the blood vessel
thickens. "Compared to heart specimens without thebacteria, we found a very high correlation of foam cells in the tissues with C.pneumoniae," says Davidson. C. pneumoniae causes about 10 percent of the pneumonia cases in adults. It is relate...
UCSF Researchers Identify Molecule Involved In Early Stage Of Atherosclerosis In
...cytes. Significantly, synthesis of MCP-1 in blood vessel
wall cells, suchas endothelial cells, is upregulat...llsthat monocytes evolve into once they are in the vessel
lining, were present inthe aortas of these mice, demonstrating that activation of the receptor wasim...
Snake Venom Slows Tumor Growth
...esion and invasion, as wellas inhibiting new blood vessel
development in the tumors, according to aresearch report presented here today at the national meeting of the AmericanChemical Society. Tumors need blood vessels to deliver nutrients necessary for their continuedgrowth, says Francis Markland, Ph.D., a...
USGS Scientists Learn Lessons From Captive Released Manatees
...ansported to Key Westaboard the chartered research vessel
Whisker, where he was kept wet on the deck. Mo weighed 555 pounds when he was saved, down from his release weight of 735pounds. Alert and active, he was returned to SeaWorld Orlando for furtherobservation and treatment. "Mo seems to have fared well...
Stroke Risk Increased In Patients With High Oxygen Use In Brain
...an artery outside of the brainand connects it to a vessel
inside the brain. "The idea is very similar to what cardiac surgeons do in heart bypasssurgery. Theoretically, if you can improve blood flow to the brain, you canreduce the risk of stroke," Grubb said. In 1985, a large, multi-center...
NASA Using Space Incubator To Understand Breast Cancer
...eloped the Bioreactor (right), which is a can-like vessel
equipped with a membrane for gas exchange and ports for media exchange and sampling. As the bioreactor turns, the cells continually fall through the medium yet never hit bottom. Under these quiet conditions, the cells "self assemble" to form clusters...
Test For Genetic Trait May Indicate Heart Benefits Of Hormone Replacement
...ationoccurs to lipoproteins that are lodged in the vessel
walls -- not while theyflow in the bloodstream -- ...articular type ofHDL that transports LDL away from vessel
walls. There are several forms, butonly one type is primarily responsible for removing LDL. Super...
UB Stroke Researchers Develop New Technique To Measure Blood Rate-of-flow, Treat Brain Malformations
... effective in showing the internal contours of the vessel
and its twists and turns, enabling neurosurgeons to determine distance to the AVM. But because the contrast medium dissolves and diffuses into the blood stream, it does not produce a clear leading edge necessary to track how fast the flow is moving. ...
AHA Issues Scientific Statement On Infective Endocarditis
... regurgitant murmur (a heartabnormality) and blood vessel
complications. The new diagnostic strategyincludes using a procedure called echocardiography that provides an ultrasoundimage of the heart to detect infection. Previous AHA statements provided guidelines for preventing endocarditis andtreating the ...
American Heart Association Announces Top 10 Research Advances For 1998 -- Gene Therapy Among The List
...ued by research showing that the area of the blood vessel
where a plaque obstruction develops can become inf...matory response is not only localized in the blood vessel
wall," Fuster says. "It also can occur not only throughout the bloodstream." Systemic inflammation ...
Real Connection Between Oral Health And Heart Disease
...teria might travel through thebloodstream to blood vessel
walls, where they cause damage. A similar relation...g for evidence of oral bacteria themselvesin blood vessel
linings. Using DNA probes, researchers at the State Universityof New York, Buffalo, have indeed fou...
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